* {
    margin: 0;
    padding: 0;
    font-size: 62.5%;
}

body {
    margin: 0px;
    font-family: "微软雅黑", Arial;
    overflow: -Scroll;
    overflow-x: hidden;
    color: #000;
}


/*列表布局*/

.gallery {
    width: 1440px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
}

.gallery .gallery-item {
    flex-grow: 1;
    margin: 5px;
    background-color: violet;
    height: 300px;
    position: relative;
}

.gallery img {
    height: 300px;
    object-fit: cover;
    max-width: 100%;
    min-width: 100%;
    vertical-align: bottom;
}


/*结束*/

.pressing {
    text-align: center;
    position: fixed;
    bottom: 78px;
    left: 0;
    right: 0;
    z-index: 999;
    width: 51%;
    border: 2px solid #fff;
    border-radius: 50px;
    padding: 7px;
    margin: 0 auto;
}

.pressing p {
    font-size: 1.4rem;
    color: #fff;
}

#goTopBtn {
    position: fixed;
    line-height: 38px;
    width: 46px;
    bottom: 47px;
    height: 46px;
    border-radius: 50px;
    cursor: pointer;
    display: none;
    background: #000;
    -moz-opacity: 0.5;
    -khtml-opacity: 0.5;
    opacity: 0.5;
    color: #FFFFFF;
    text-align: center;
    font-size: 5rem;
    z-index: 990;
}

@font-face {
    font-weight: 400;
    font-style: normal;
    font-family: SinaHomeFont;
    src: url(../img/HomeFont.eot);
    src: url(../img/HomeFont.eot) format('embedded-opentype'), url(../img/HomeFont.woff) format('woff'), url(../img/HomeFont.ttf) format('truetype');
}

[class*=" icon_"],
[class^=icon_] {
    text-transform: none;
    font-weight: 400;
    font-style: normal;
    font-variant: normal;
    font-family: SinaHomeFont;
    line-height: 1;
    speak: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.icon_top:before {
    content: "\e60f";
}